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A double substrate "sandwich" structure for fiber surface enhanced Raman scattering detection
2008
Applied Physics Letters
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A double substrate "sandwiching" structure has been designed and tested for molecular detection using surface enhanced Raman scattering ͑SERS͒. With silver ͑Ag͒ nanoparticles as SERS substrates and rhodamine 6G ͑R6G͒ as a test molecule, the results show that the "sandwich" configuration exhibits significantly higher SERS enhancement compared to just one of the substrates or a simple sum of the signals from the two separate substrates. The improved SERS sensitivity is attributed to a stronger
doi:10.1063/1.2883957
fatcat:ic5pqylsb5banokw6cchxmhjtm